Solitary cyst of breast

This code signifies the presence of a single, fluid-filled sac within the breast tissue, which is typically benign. These cysts are often palpable and may cause localized pain or tenderness.

Apply this code when documentation clearly indicates a solitary breast cyst identified through physical examination, imaging (e.g., ultrasound, mammogram), or aspiration. It is appropriate for initial diagnosis and follow-up of a single, uncomplicated cyst.

• Differentiate from multiple or diffuse cystic mastopathy (610.1).
• Ensure documentation specifies "solitary" to avoid miscoding.
• If the cyst is inflamed or infected, consider additional codes for those conditions.